.container {
  width: 1000px;
  padding-top: 20px;
  margin: 0 auto 0;
  position: relative;
}

.container .stu-title {
  font-weight: 900;
  font-size: 36px;
}

.container .bg {
  display: block;
  width: 100%;
}

.item-wrap .hot-area {
  display: flex;
  margin-bottom: 20px;
}

.item-wrap .hot-area .hot {
  color: #c32f32;
  font-weight: 600;
  margin-right: 20px;
}


.item-wrap .nav {
  display: flex;
}

.item-wrap .nav li {
  margin-right: 10px;
}

.item-wrap .nav li a {
  text-decoration: none;
  color: black;
}


.item-wrap .title {
  font-weight: 600;
  white-space: nowrap;
  margin-right: 20px;
}

.item-wrap select {
  width: 150px;
  height: 40px;
  font-size: 14px;
  color: black;
  letter-spacing: 0;
  font-weight: 400;
  background: #FFFFFF;
  border: 1px solid rgba(232, 232, 233, 1);
  border-radius: 4px;
  padding: 10px;
  outline: none;
  margin-right: 10px;

}

.item-wrap select option {
  font-weight: normal;
  display: block;
  white-space: nowrap;
  min-height: 1.2em;
  padding: 0px 2px 1px;
  font-size: 16px;

}

.item-wrap input {
  font-weight: normal;
  display: block;
  white-space: nowrap;
  min-height: 1.2em;
  padding: 0px 2px 1px;
  height: 40px;
  font-size: 16px;
  border: 1px solid rgba(232, 232, 233, 0.682);
  color: black;
}

.item-wrap .feedback {
  width: 400px;
  height: 150px;
  border: 1px solid rgba(232, 232, 233, 0.682);
}

.item-wrap .area-box {
  margin-bottom: 20px;
  display: flex;
  align-items: center;
}

.feedback::-webkit-input-placeholder {
  /* WebKit browsers */
  color: #BFBFBF;
}

.feedback:-moz-placeholder {
  /* Mozilla Firefox 4 to 18 */
  color: #BFBFBF;
}

.feedback::-moz-placeholder {
  /* Mozilla Firefox 19+ */
  color: #BFBFBF;
}

.feedback:-ms-input-placeholder {
  /* Internet Explorer 10+ */
  color: #BFBFBF;
}